// ========================================================================
// $Id: HttpContextMBean.java,v 1.17 2005/08/13 00:01:26 gregwilkins Exp $
// Copyright 1999-2004 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.openqa.jetty.http.jmx;
import java.util.HashMap;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.commons.logging.Log;
import org.openqa.jetty.log.LogFactory;
import org.openqa.jetty.http.HttpContext;
import org.openqa.jetty.util.LifeCycleEvent;
import org.openqa.jetty.util.LifeCycleListener;
import org.openqa.jetty.util.LogSupport;
import org.openqa.jetty.util.jmx.LifeCycleMBean;
/* ------------------------------------------------------------ */
/**
*
* @version $Revision: 1.17 $
* @author Greg Wilkins (gregw)
*/
public class HttpContextMBean extends LifeCycleMBean
{
private static Log log = LogFactory.getLog(HttpContextMBean.class);
private HttpContext _httpContext;
private HashMap _rlMap=new HashMap(3);
private HashMap _handlerMap = new HashMap();
/* ------------------------------------------------------------ */
/** Constructor.
* @exception MBeanException
*/
public HttpContextMBean()
throws MBeanException
{}
/* ------------------------------------------------------------ */
protected void defineManagedResource()
{
super.defineManagedResource();
defineAttribute("virtualHosts");
defineAttribute("hosts");
defineAttribute("contextPath");
defineAttribute("handlers",READ_ONLY,ON_MBEAN);
defineAttribute("requestLog",READ_ONLY,ON_MBEAN);
defineAttribute("classPath");
defineAttribute("realm");
defineAttribute("realmName");
defineAttribute("redirectNullPath");
defineAttribute("resourceBase");
defineAttribute("maxCachedFileSize");
defineAttribute("maxCacheSize");
defineOperation("flushCache",
IMPACT_ACTION);
defineOperation("getResource",
new String[] {STRING},
IMPACT_ACTION);
defineAttribute("welcomeFiles");
defineOperation("addWelcomeFile",
new String[] {STRING},
IMPACT_INFO);
defineOperation("removeWelcomeFile",
new String[] {STRING},
IMPACT_INFO);
defineAttribute("mimeMap");
defineOperation("setMimeMapping",new String[] {STRING,STRING},IMPACT_ACTION);
defineAttribute("statsOn");
defineAttribute("statsOnMs");
defineOperation("statsReset",IMPACT_ACTION);
defineAttribute("requests");
defineAttribute("requestsActive");
defineAttribute("requestsActiveMax");
defineAttribute("responses1xx");
defineAttribute("responses2xx");
defineAttribute("responses3xx");
defineAttribute("responses4xx");
defineAttribute("responses5xx");
defineOperation("stop",new String[] {"java.lang.Boolean.TYPE"},IMPACT_ACTION);
defineOperation("destroy",
IMPACT_ACTION);
defineOperation("setInitParameter",
new String[] {STRING,STRING},
IMPACT_ACTION);
defineOperation("getInitParameter",
new String[] {STRING},
IMPACT_INFO);
defineOperation("getInitParameterNames",
NO_PARAMS,
IMPACT_INFO);
defineOperation("setAttribute",new String[] {STRING,OBJECT},IMPACT_ACTION);
defineOperation("getAttribute",new String[] {STRING},IMPACT_INFO);
defineOperation("getAttributeNames",NO_PARAMS,IMPACT_INFO);
defineOperation("removeAttribute",new String[] {STRING},IMPACT_ACTION);
defineOperation("addHandler",new String[] {"org.openqa.jetty.http.HttpHandler"},IMPACT_ACTION);
defineOperation("addHandler",new String[] {INT,"org.openqa.jetty.http.HttpHandler"},IMPACT_ACTION);
defineOperation("removeHandler",new String[] {INT},IMPACT_ACTION);
_httpContext=(HttpContext)getManagedResource();
_httpContext.addEventListener(new LifeCycleListener()
{
public void lifeCycleStarting (LifeCycleEvent event)
{}
public void lifeCycleStarted (LifeCycleEvent event)
{
getHandlers();
}
public void lifeCycleFailure (LifeCycleEvent event)
{}
public void lifeCycleStopping (LifeCycleEvent event)
{}
public void lifeCycleStopped (LifeCycleEvent event)
{
destroyHandlers();
}
});
}
/* ------------------------------------------------------------ */
protected ObjectName newObjectName(MBeanServer server)
{
ObjectName oName=super.newObjectName(server);
String context=_httpContext.getContextPath();
if (context.length()==0)
context="/";
try{oName=new ObjectName(oName+",context="+context);}
catch(Exception e){log.warn(LogSupport.EXCEPTION,e);}
return oName;
}
/* ------------------------------------------------------------ */
public void postRegister(Boolean ok)
{
super.postRegister(ok);
if (ok.booleanValue())
getHandlers();
}
/* ------------------------------------------------------------ */
public void postDeregister()
{
_httpContext=null;
destroyComponentMBeans(_handlerMap);
super.postDeregister();
}
/* ------------------------------------------------------------ */
public ObjectName[] getHandlers()
{
return getComponentMBeans(_httpContext.getHandlers(),_handlerMap);
}
public void destroyHandlers()
{
destroyComponentMBeans(_handlerMap);
}
/* ------------------------------------------------------------ */
public ObjectName getRequestLog()
{
Object o = _httpContext.getRequestLog();
if (o==null)
return null;
ObjectName[] on=getComponentMBeans(new Object[]{o},_rlMap);
if (on.length>0)
return on[0];
return null;
}
}